Finding the Third Proportional to 77,020.50 and 112,862

Step by Step Solution

1. Step 1: Write the proportion equation
   77,020.50 : 112,862 = 112,862 : x
2. Step 2: Convert to fraction form
   77,020.50/112,862 = 112,862/x
3. Step 3: Cross multiply
   77,020.50x = 112,862 × 112,862
4. Step 4: Simplify right side
   77,020.50x = 12,737,831,044
5. Step 5: Solve for x
   x = 12,737,831,044/77,020.50
6. Step 6: Final answer
   x = 165,382.35